Replacing The Automatic Air Purging System; Replacing/Cleaning The Burner - Buderus Logamax plus GB162-80 kW Service Instructions Manual

7 Actions
section 125 Replacing the automatic air purging system
 Drain the boiler as indicated in section 75.
 Open the boiler door as instructed in section 73.
3
 Pull the clamp spring forwards [1] and remove the automatic
air purging system [2].
 Note: The top of the automatic air purging system has two
cut-outs [3].
Install the new automatic air purging system so that the clamp
spring engages in both cut-outs.
 Fill and purge the heating system and put the boiler into oper-
ation, see section 78.
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Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements!
section 126 Replacing/cleaning the burner
 Disassemble the gas/air unit including the burner cover as
indicated in section 86.
 Remove the burner gasket [1] and replace it if necessary.
 Remove the burner [2].
 Check the burner and the distributor plate for dirt and cracks
and clean or replace the burner.
 Check the burner gasket for signs of ageing.
 Replace the burner gasket if necessary.
 Install the burner and the burner cover in reverse order.
 Open the gas stop valve and put the boiler into chimney
sweep operation as instructed in section 81.
 Check all couplings and locations in the gas train -which have
been disconnected to install the burner- for leaks. Use a
foaming agent which has been approved for gas leak testing.
 If a gas leak is found: switch off the power supply to the heat-
ing system, see section 72, close the gas stop valve as indi-
cated in section 74 and deal with the cause of the gas leak.
 Close the boiler door as instructed in section 77.
 Switch on the power supply to the heating system, see
section 79.
 Open the gas stop valve as indicated in section 81.